Neutron rhymes with:
arbitron, distron, infotron, magnetron, positron, symtron, teletron, videotron, arbitron, betaseron, boron, dacron, distron, huron, infotron, magnetron, micron, moron, positron, symtron, teletron, videotron
Neutron sounds like:
neutrino, niederman, notarianni